package demo4;

/**
 * @Author 12629
 * @Description：
 */
public class KeyBoard implements IUSB{
    @Override
    public void openDevice() {
        System.out.println("打开键盘服务....");
    }

    public void input() {
        System.out.println("键盘输入数据.....");
    }

    @Override
    public void closeDevice() {
        System.out.println("关闭键盘服务....");
    }
}
